other possibilities are chromosomal disorders like down syndrome, kleinfelter’s syndrome, etc. acquired causes of
tics include drug induced
tics, head trauma, stroke etc. Tests to rule out other conditions like EEG, hypothyroidism, MRI, urine drug screen for cocaine and stimulants. If a positive family history of liver disease, serum copper and ceruloplasmin levels can rule out Wilson’s disease. Consult a neurologist for a detailed evaluation and management. Take care.